excel export styling

app/views/entries/download.xlsx.axlsx

@@ -1,33 +1,38 @@
 workbook = xlsx_package.workbook
+styles = workbook.styles
+
+border_style = styles.add_style(
+  border: { style: :thin, color: "000000", edges: [ :top, :bottom, :left, :right ] },
+  alignment: { wrap_text: true, vertical: :top },
+  sz: 10,
+  name: "Arial"
+)
+
+header_style = styles.add_style(
+  b: true,
+  border: { style: :thin, color: "000000", edges: [ :top, :bottom, :left, :right ] },
+  alignment: { wrap_text: true, vertical: :top, horizontal: :center },
+  bg_color: "EEEEEE",
+  sz: 10,
+  name: "Arial"
+)
 
 workbook.add_worksheet(name: "Entries") do |sheet|
   sheet.add_row [
-    "Category",
-    "Finnish (fi)",
-    "English (en)",
-    "Swedish (sv)",
-    "Norwegian (no)",
-    "Russian (ru)",
-    "German (de)",
-    "Notes",
-    "Verified",
-    "Created At",
-    "Updated At"
-  ]
+    "Finnish", "English", "Swedish", "Norwegian", "Russian", "German"
+  ], style: header_style
 
   @entries.find_each do |entry|
     sheet.add_row [
-      entry.category,
       entry.fi,
       entry.en,
       entry.sv,
       entry.no,
       entry.ru,
-      entry.de,
-      entry.notes,
-      entry.verified? ? "Yes" : "No",
-      entry.created_at&.to_date,
-      entry.updated_at&.to_date
-    ]
+      entry.de
+    ], style: border_style
   end
+
+  sheet.column_widths 21.4, 21.4, 21.4, 21.4, 21.4, 21.4
+  sheet.auto_filter = sheet.dimension.sqref
 end